Regressions on trunk at revision 236630 vs revision 236627

[H.J. Lu ia32 -fpic]

New failures:
FAIL: c-c++-common/pr59037.c  -Wc++-compat  (internal compiler error)
FAIL: c-c++-common/pr59037.c  -Wc++-compat  (test for excess errors)
FAIL: c-c++-common/pr59037.c  -std=gnu++11 (internal compiler error)
FAIL: c-c++-common/pr59037.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/pr59037.c  -std=gnu++14 (internal compiler error)
FAIL: c-c++-common/pr59037.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/pr59037.c  -std=gnu++98 (internal compiler error)
FAIL: c-c++-common/pr59037.c  -std=gnu++98 (test for excess errors)

New passes: